Question

Find the product of 20x9x5. Tell which property is used.

Answer 1

The answer is 900 because 20×9=180 and just multiply 180×5 and that equals 900.

Answer 2

Answer:

The property used is Commutative property.

Step-by-step explanation:

To find : The product of $20\times 9\times 5$. Tell which property is used.

Solution :

Product of $20\times 9\times 5$

Applying Commutative property to make calculation easier,

i.e. $a\times b=b\times a$

Rearrange the terms,

$20\times 9\times 5=(20\times 5)\times 9$

Multiply first bracket,

$20\times 9\times 5=100\times 9$

Multiply,

$20\times 9\times 5=900$

Therefore, The property used is Commutative property.